

import java.io.IOException;

import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Reducer;


public class MaxTempReducer extends Reducer<Text, IntWritable, Text, IntWritable>{

	@Override
	protected void reduce(Text key, Iterable<IntWritable> values,Context context)
			throws IOException, InterruptedException {
		int max=Integer.MIN_VALUE;
		for(IntWritable i:values){
			max=Math.max(max, i.get());
		}
		context.write(key, new IntWritable(max));
	}
	
}
